Recent content by wallybanger

  1. W

    Isolating C from "L=2C+∏ (D+d)/2 + (D-d)^2/4C" - Help Needed!

    :P Right. I missed that you had canceled the C in the denominator. Ahhhh! The quadratic Eq'n! Forgot about that old chestnut. Alright, let's give this a try. C=\frac{-\left(\frac{\pi(D+d)}{2}-L\right)\pm \sqrt{\left(\frac{\pi(D+d)}{2}\right)^2-4(2)\left(\frac{(D-d)^2}{4}\right)}}{2(2)}...
  2. W

    Isolating C from "L=2C+∏ (D+d)/2 + (D-d)^2/4C" - Help Needed!

    Ok, So I'm guessing L = 2C+\frac{\pi(D+d)}{2}+\frac{(D-d)^{2}}{4C} Should become LC = 2C^2+\frac{\pi C(D+d)}{2}+\frac{C(D-d)^{2}}{4C} Is that correct? It still has me wondering why the C doesn't effect the denominator.
  3. W

    Isolating C from "L=2C+∏ (D+d)/2 + (D-d)^2/4C" - Help Needed!

    Ok, looking good so far, but how come the second part (D-d)^2/4 isn't also multiplied by C and why are the denominators not multiplied by C? Ugh, I also suck at factoring. I need to go through my algebra textbook again and teach myself all this stuff from scratch.
  4. W

    Isolating C from "L=2C+∏ (D+d)/2 + (D-d)^2/4C" - Help Needed!

    I kinda know what you mean but I'm not really sure how to do that. As in multiply every element by c? Top and bottom of the fractions?
  5. W

    Isolating C from "L=2C+∏ (D+d)/2 + (D-d)^2/4C" - Help Needed!

    Hi, I'm not the best with algebra and I've been wrestling with a formula this afternoon. It is a formula to calculate a belt length based on 2 pulley sizes and the distance between the centres. I would like to be able to calculate the distance between the centres based on the pulley sizes and...
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